OHA Drinking Water Services
OR41
PWS ID: 00978 ---- ALSEA COUNTY SERVICE DISTRICT

See also: Coliform Schedules

Chemical Sampling Schedule Status
Facility
ID		 Analyte or Group   Sampling
Interval		 Monitoring Period Days
Until
End		 Samples
Required		 Samples
Received		 Last
Sample
Date
Start End
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2026 - 12/31/2026   5incomplete09/21/2023
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  Distribution System STAGE 2 DBP notes3 Years01/01/2026 - 12/31/2026   1incomplete09/20/2023
  Seasonal sampling period:   09/01   thru   09/30
EP-A  EP FOR WELLFIELD: EAST/WEST WELLS ARSENIC notes9 Years01/01/2020 - 12/31/2028 1,021 1 done 07/12/2021
EP-A  EP FOR WELLFIELD: EAST/WEST WELLS IOC notes9 Years01/01/2020 - 12/31/2028 1,021 1 done 07/12/2021
EP-A  EP FOR WELLFIELD: EAST/WEST WELLS NITRATE  Yearly 01/01/2026 - 12/31/2026 290 1 incomplete07/22/2025
EP-A  EP FOR WELLFIELD: EAST/WEST WELLS NITRITE notes9 Years01/01/2020 - 12/31/2028 1,021 1 done 10/13/2021
EP-A  EP FOR WELLFIELD: EAST/WEST WELLS PFAS notes6 Months 01/01/2026 - 06/30/2026 106 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR WELLFIELD: EAST/WEST WELLS RAD - GROSS ALPHA  9 Years 01/01/2020 - 12/31/2028 1,021 1 incomplete01/24/2018
EP-A  EP FOR WELLFIELD: EAST/WEST WELLS RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,212 1 incomplete07/12/2021
EP-A  EP FOR WELLFIELD: EAST/WEST WELLS RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,212 1 incomplete07/12/2021
EP-A  EP FOR WELLFIELD: EAST/WEST WELLS SOC  3 Years 01/01/2026 - 12/31/2028 1,021 1 incomplete03/14/2024
EP-A  EP FOR WELLFIELD: EAST/WEST WELLS VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,021 1 incomplete03/18/2024

7  secs
Show Only Active

Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  Distribution SystemASBESTOS, DIST  9 Years01/01/200210/18/20081Schedule Reflects Monitoring Reduction Granted
DIST-A  Distribution SystemHAA5 & TTHM  3 Years01/01/200812/31/20131Sample Between June 1st and Sept 30th
DIST-A  Distribution SystemHAA5 & TTHM  Yearly01/01/200412/31/20071Sample between June 1 and Sept. 30.
EP-A  EP FOR WELLFIELD: EAST/WEST WELLSARSENIC  3 Years01/01/200212/31/20101
EP-A  EP FOR WELLFIELD: EAST/WEST WELLSRAD - GROSS ALPHA  6 Years01/01/201412/31/20191
EP-A  EP FOR WELLFIELD: EAST/WEST WELLSRAD - GROSS ALPHA  9 Years01/01/200812/31/20131

Show Only Active


More information for this water system: SDWIS ID 3490
System Info  ::  Report for Lenders  ::  Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Contacts & Advisories  ::  Site Visits  ::  Public Notice
Coliform Summary  ::  Coliform Results  ::  Coliform Schedules  ::  LT2  ::  GW/GWUDI Source Details  ::  Plan Review  ::  Annual Fee
Chemical Summary  ::  Chemical Results  ::  Chemical Schedules  ::  Chemical Schedule Summary  ::  Arsenic RAA  ::  Cyanotoxins  ::  PFAS
Lead & Copper  ::  DBP Sample Sites  ::  FANLs  ::  MRDL  ::  GWR 4-Log  ::  Turbidity  ::  SWTR  ::  LRAA  ::  DW Source Protection
Information for all water systems:
Water System Inventory  ::  Water System Surveys  ::  Outstanding Performers  ::  Treatment Plant Inspections  ::  Treatment  ::  Plan Reviews
Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Deficiencies  ::  System Scores  ::  Exceedances  ::  Public Notices  ::  Service Lines
Water Advisories  ::  Contact Reports  ::  Cyanotoxins  ::  PFAS  ::  Post-wildfire VOCs  ::  Fluoride  ::  Certification List  ::  DW Source Protection
Main menu:
Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules
Need help? Email Drinking Water Services for assistance.Staff/Partner Login